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1 /*
2  * Copyright (C) 2012 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 
18 #ifndef ANDROID_AUDIO_POLICY_CONF_H
19 #define ANDROID_AUDIO_POLICY_CONF_H
20 
21 
22 /////////////////////////////////////////////////
23 //      Definitions for audio policy configuration file (audio_policy.conf)
24 /////////////////////////////////////////////////
25 
26 #define AUDIO_HARDWARE_MODULE_ID_MAX_LEN 32
27 
28 #define AUDIO_POLICY_CONFIG_FILE "/system/etc/audio_policy.conf"
29 #define AUDIO_POLICY_VENDOR_CONFIG_FILE "/vendor/etc/audio_policy.conf"
30 
31 // global configuration
32 #define GLOBAL_CONFIG_TAG "global_configuration"
33 
34 #define ATTACHED_OUTPUT_DEVICES_TAG "attached_output_devices"
35 #define DEFAULT_OUTPUT_DEVICE_TAG "default_output_device"
36 #define ATTACHED_INPUT_DEVICES_TAG "attached_input_devices"
37 #define SPEAKER_DRC_ENABLED_TAG "speaker_drc_enabled"
38 #define AUDIO_HAL_VERSION_TAG "audio_hal_version"
39 
40 // hw modules descriptions
41 #define AUDIO_HW_MODULE_TAG "audio_hw_modules"
42 
43 #define OUTPUTS_TAG "outputs"
44 #define INPUTS_TAG "inputs"
45 
46 #define SAMPLING_RATES_TAG "sampling_rates"
47 #define FORMATS_TAG "formats"
48 #define CHANNELS_TAG "channel_masks"
49 #define DEVICES_TAG "devices"
50 #define FLAGS_TAG "flags"
51 
52 #define DYNAMIC_VALUE_TAG "dynamic" // special value for "channel_masks", "sampling_rates" and
53                                     // "formats" in outputs descriptors indicating that supported
54                                     // values should be queried after opening the output.
55 
56 #define DEVICES_TAG "devices"
57 #define DEVICE_TYPE "type"
58 #define DEVICE_ADDRESS "address"
59 
60 #define MIXERS_TAG "mixers"
61 #define MIXER_TYPE "type"
62 #define MIXER_TYPE_MUX "mux"
63 #define MIXER_TYPE_MIX "mix"
64 
65 #define GAINS_TAG "gains"
66 #define GAIN_MODE "mode"
67 #define GAIN_CHANNELS "channel_mask"
68 #define GAIN_MIN_VALUE "min_value_mB"
69 #define GAIN_MAX_VALUE "max_value_mB"
70 #define GAIN_DEFAULT_VALUE "default_value_mB"
71 #define GAIN_STEP_VALUE "step_value_mB"
72 #define GAIN_MIN_RAMP_MS "min_ramp_ms"
73 #define GAIN_MAX_RAMP_MS "max_ramp_ms"
74 
75 
76 
77 #endif  // ANDROID_AUDIO_POLICY_CONF_H
78